postergiant.net

Valid Email Server
Domain Lookup › postergiant.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
postergiant.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 14:36:50 UTC · ↺ Refresh

MX Hostnames

  • mx1.bigmountainmail.com
  • mx2.bigmountainmail.com
  • mx3.bigmountainmail.com
  • mx4.bigmountainmail.com

MX Priorities

  • mx1.bigmountainmail.com: 10
  • mx2.bigmountainmail.com: 20
  • mx3.bigmountainmail.com: 30
  • mx4.bigmountainmail.com: 40

A / AAAA Records

  • 35.215.117.182 ↩ 182.117.215.35.bc.googleusercontent.com

Mail Server IPs

  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
  • 2001:550:2:61::2fc:100 (no PTR)
  • 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com

SOA Record

Raw SOA ns43.domaincontrol.com dns.jomax.net 2024101800 28800 7200 604800 600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024101800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns43.domaincontrol.com
ns44.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx a:delivery.antispamcloud.com a:email.universalmac.com ip4:192.169.141.142/32 ip4:10.198.8.170 include:_spf.mailgun.org -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • google-site-verification=P0_5Z53S33YrEvyCWaprjregF6zeyXpImJItsdROciU
  • SPFv=spf1 a mx a:delivery.antispamcloud.com a:email.universalmac.com ip4:192.169.141.142/32 ip4:10.198.8.170 include:_spf.mailgun.org -all
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